Iridium Power® Spark Plug Specifications
NUMBER |
STOCK NO. |
THREAD DIAMETER (mm) |
THREAD REACH (mm) |
HEX SIZE (in) |
GAP (mm) |
INSULATOR PROJECTION (mm) |
IK16#4 |
5303 |
14 |
19 |
5/8 |
1.1 |
1.5 |
IK20#4 |
5304 |
14 |
19 |
5/8 |
1.1 |
1.5 |
IK22#4 |
5310 |
14 |
19 |
5/8 |
0.8 |
1.5 |
IK22G#4 |
5348 |
14 |
19 |
5/8 |
0.8 |
1.5 |
IK24#4 |
5311 |
14 |
19 |
5/8 |
0.8 |
1.5 |
IK27#4 |
5312 |
14 |
19 |
5/8 |
0.8 |
0.5 |
IK31#4 |
5321 |
14 |
19 |
5/8 |
0.8 |
-0.5 |
IK34#4 |
5322 |
14 |
19 |
5/8 |
0.8 |
-0.5 |
IKH16#4 |
5343 |
14 |
26.5 |
5/8 |
1.1 |
1.5 |
IKH20#4 |
5344 |
14 |
26.5 |
5/8 |
1.1 |
1.5 |
IKH22#4 |
5345 |
14 |
26.5 |
5/8 |
0.8 |
1.5 |
IKH24#4 |
5346 |
14 |
26.5 |
5/8 |
0.8 |
1.5 |
IKH27#4 |
5347 |
14 |
26.5 |
5/8 |
0.8 |
1.5 |
IQ16#4 |
5301 |
14 |
19 |
5/8 |
1.1 |
1.5 |
IQ20#4 |
5302 |
14 |
19 |
5/8 |
1.1 |
1.5 |
IQ22#4 |
5313 |
14 |
19 |
5/8 |
0.8 |
1.5 |
IQ24#4 |
5314 |
14 |
19 |
5/8 |
0.8 |
1.5 |
IQ27#4 |
5315 |
14 |
19 |
5/8 |
0.8 |
0.5 |
IQ31#4 |
5323 |
14 |
19 |
5/8 |
0.8 |
-0.5 |
IQ34#4 |
5324 |
14 |
19 |
5/8 |
0.8 |
-0.5 |
IT16#4 |
5325 |
14 |
.708” |
5/8 |
1.1 |
1.5 |
IT20#4 |
5326 |
14 |
.708” |
5/8 |
1.1 |
1.5 |
IT22#4 |
5327 |
14 |
.708” |
5/8 |
1.1 |
1.5 |
IT24#4 |
5328 |
14 |
.708” |
5/8 |
0.8 |
-0.5 |
IT27#4 |
5329 |
14 |
.708” |
5/8 |
0.8 |
-0.5 |
ITF16#4 |
5330 |
14 |
.460” |
5/8 |
1.1 |
1.5 |
ITF20#4 |
5331 |
14 |
.460” |
5/8 |
1.1 |
1.5 |
ITF22#4 |
5332 |
14 |
.460” |
5/8 |
1.1 |
1.5 |
ITF24#4 |
5333 |
14 |
.460” |
5/8 |
0.8 |
-0.5 |
ITF27#4 |
5334 |
14 |
.460” |
5/8 |
0.8 |
-0.5 |
ITL16#4 |
5349 |
14 |
25 |
5/8 |
1.1 |
1.5 |
ITL20#4 |
5350 |
14 |
25 |
5/8 |
1.1 |
1.5 |
ITV16#4 |
5338 |
14 |
25 |
5/8 |
1.1 |
1.5 |
ITV20#4 |
5339 |
14 |
25 |
5/8 |
1.1 |
1.5 |
ITV22#4 |
5340 |
14 |
25 |
5/8 |
0.8 |
-0.5 |
ITV24#4 |
5341 |
14 |
25 |
5/8 |
0.8 |
-0.5 |
ITV27#4 |
5342 |
14 |
25 |
5/8 |
0.8 |
-0.5 |
IU20#4 |
5360 |
10 |
19 |
5/8 |
0.9 |
-0.5 |
IU22#4 |
5361 |
10 |
19 |
5/8 |
0.9 |
-0.5 |
IU24#4 |
5362 |
10 |
19 |
5/8 |
0.9 |
-0.5 |
IU24A#4 |
5365 |
10 |
19 |
5/8 |
0.9 |
-0.5 |
IU27#4 |
5363 |
10 |
19 |
5/8 |
0.9 |
-0.5 |
IU27A#4 |
5366 |
10 |
19 |
5/8 |
0.9 |
-0.5 |
IU31#4 |
5364 |
10 |
19 |
5/8 |
0.9 |
-0.5 |
IU31A#4 |
5367 |
10 |
19 |
5/8 |
0.9 |
-0.5 |
IUF22#4 |
5383 |
10 |
12.7 |
5/8 |
0.8 |
0.6 |
IUF24#4 |
5384 |
10 |
12.7 |
5/8 |
0.8 |
0.6 |
IUF27A#4 |
5385 |
10 |
12.7 |
5/8 |
0.8 |
0.6 |
IUF31A#4 |
5386 |
10 |
12.7 |
5/8 |
0.8 |
0.6 |
IUH24#4 |
5368 |
10 |
19 |
5/8 |
0.9 |
0.6 |
IUH27#4 |
5369 |
10 |
19 |
5/8 |
0.9 |
0.6 |
IW16#4 |
5305 |
14 |
19 |
13/16 |
1.1 |
1.5 |
IW20#4 |
5306 |
14 |
19 |
13/16 |
1.1 |
1.5 |
IW22#4 |
5307 |
14 |
19 |
13/16 |
0.8 |
1.5 |
IW24#4 |
5316 |
14 |
19 |
13/16 |
0.7 |
-0.5 |
IW27#4 |
5317 |
14 |
19 |
13/16 |
0.7 |
-0.5 |
IW29#4 |
5318 |
14 |
19 |
13/16 |
0.7 |
-0.5 |
IW31#4 |
5319 |
14 |
19 |
13/16 |
0.7 |
-0.5 |
IW34#4 |
5320 |
14 |
19 |
13/16 |
0.7 |
-0.5 |
IWM24#4 |
5391 |
14 |
19 |
13/16 |
0.8 |
-1.5 |
IWM27#4 |
5392 |
14 |
19 |
13/16 |
0.8 |
-1.5 |
IWM31#4 |
5393 |
14 |
19 |
13/16 |
0.8 |
-1.5 |
IWF16#4 |
5359 |
14 |
12.7 |
13/16 |
0.8 |
1.5 |
IWF20#4 |
5378 |
14 |
12.7 |
13/16 |
0.8 |
1.5 |
IWF22#4 |
5379 |
14 |
12.7 |
13/16 |
0.8 |
-0.5 |
IWF24#4 |
5380 |
14 |
12.7 |
13/16 |
0.8 |
-0.5 |
IWF27#4 |
5381 |
14 |
12.7 |
13/16 |
0.8 |
-0.5 |
IX22#4 |
5371 |
12 |
19 |
18mm |
0.8 |
0.6 |
IX22B#4 |
5375 |
12 |
19 |
18mm |
0.9 |
1.5 |
IX24#4 |
5372 |
12 |
19 |
18mm |
0.8 |
0.6 |
IX24B#4 |
5376 |
12 |
19 |
18mm |
0.9 |
1.5 |
IX27#4 |
5373 |
12 |
19 |
18mm |
0.8 |
0.6 |
IX27B#4 |
5377 |
12 |
19 |
18mm |
0.9 |
1.5 |
IXU22#4 |
5308 |
12 |
19 |
5/8 |
0.9 |
1.3 |
IXU24#4 |
5309 |
12 |
19 |
5/8 |
0.9 |
1.3 |
IXU27#4 |
5337 |
12 |
19 |
5/8 |
0.9 |
1.3 |